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Summary of Significant Accounting Policies (Policy) | 12 Months Ended
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Dec. 31, 2014
Accounting Policies [Abstract] |
Consolidation and Basis of Presentation | The consolidated financial statements include the accounts of Mercury General Corporation and its subsidiaries:
Insurance Companies |  |
Mercury Casualty Company (“MCC”) |  | Mercury National Insurance Company
Mercury Insurance Company (“MIC”) |  | American Mercury Insurance Company
California Automobile Insurance Company (“CAIC”) |  | American Mercury Lloyds Insurance Company(1)
California General Underwriters Insurance Company, Inc. |  | Mercury County Mutual Insurance Company(2)
Mercury Insurance Company of Illinois |  | Mercury Insurance Company of Florida
Mercury Insurance Company of Georgia |  | Mercury Indemnity Company of America
Mercury Indemnity Company of Georgia |  |
Non-Insurance Companies |  |
Mercury Select Management Company, Inc. |  | AIS Management LLC
Mercury Insurance Services LLC |  | Auto Insurance Specialists LLC
Animas Funding LLC (“AFL”)(3) |  | PoliSeek AIS Insurance Solutions, Inc.
Fannette Funding LLC (“FFL”)(4) |  |
__________
(1) | American Mercury Lloyds Insurance Company is not owned but is controlled by the Company through its attorney-in-fact, Mercury Select Management Company, Inc.
(2) | Mercury County Mutual Insurance Company is not owned but is controlled by the Company through a management contract.
(3) | Special purpose investment vehicle formed in 2013.
(4) | Special purpose investment vehicle formed in 2014.
The consolidated financial statements have been prepared in conformity with U.S. generally accepted accounting principles (“GAAP”), which differ in some respects from those filed in reports to insurance regulatory authorities. All intercompany transactions and balances have been eliminated.
Use of Estimates | The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosures of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenue and expenses during the reporting period. These estimates require the Company to apply complex assumptions and judgments, and often the Company must make estimates about effects of matters that are inherently uncertain and will likely change in subsequent periods. The most significant assumptions in the preparation of these consolidated financial statements relate to reserves for losses and loss adjustment expenses. Actual results could differ from those estimates.
Investments | The Company applies the fair value option to all fixed maturity and equity securities and short-term investments at the time an eligible item is first recognized. The cost of investments sold is determined on a first-in and first-out method and realized gains and losses are included in net realized investment gains (losses). Gains and losses due to changes in fair value for items measured at fair value pursuant to application of the fair value option are included in net realized investment gains (losses), while interest and dividend income on the investment holdings are recognized on an accrual basis on each measurement date and are included in net investment income. The primary reasons for electing the fair value option were simplification and cost-benefit considerations as well as the expansion of the use of fair value measurement by the Company consistent with the long-term measurement objectives of the FASB for accounting for financial instruments. See Note 2 for additional information regarding the fair value option. Fixed maturity securities include debt securities, which may have fixed or variable principal payment schedules, may be held for indefinite periods of time, and may be used as a part of the Company’s asset/liability strategy or sold in response to changes in interest rates, anticipated prepayments, risk/reward characteristics, liquidity needs, tax planning considerations, or other economic factors. Premiums and discounts on fixed maturities are amortized using first call date and are adjusted for anticipated prepayments. Premiums and discounts on mortgage-backed securities are adjusted for anticipated prepayment using the retrospective method, with the exception of some beneficial interests in securitized financial assets, which are accounted for using the prospective method. Equity securities consist of non-redeemable preferred stocks, common stocks on which dividend income is partially tax-sheltered by the 70% corporate dividend received deduction, and a partnership interest in a private credit fund. Short-term investments include money market accounts, options, short-term bonds that are highly rated short duration securities and redeemable within one year, and total return swaps. The Company writes covered call options through listed and over-the-counter exchanges. When the Company writes an option, an amount equal to the premium received by the Company is recorded as a liability and is subsequently adjusted to the current fair value of the option written. Premiums received from writing options that expire unexercised are treated by the Company on the expiration date as realized gains from investments. If a call option is exercised, the premium is added to the proceeds from the sale of the underlying security or currency in determining whether the Company has realized a gain or loss. The Company, as writer of an option, bears the market risk of an unfavorable change in the price of the security underlying the written option.
Fair Value Of Financial Instruments | The financial instruments recorded in the consolidated balance sheets include investments, receivables, total return swaps, interest rate swaps, accounts payable, equity contracts, and secured and unsecured notes payable. As discussed above, all investments are carried at fair value on the consolidated balance sheets, including $0 and $11.7 million of fixed maturities and equity securities, respectively, which are valued based on broker quotes for underlying debt and credit instruments and an estimated benchmark spread for similar assets in active markets. The fair value of the Company’s $120 million and $20 million secured notes, classified as Level 2 in the fair value hierarchy described in Note 3, is estimated based on assumptions and inputs, such as the market value of underlying collateral and reset rates, for similarly termed notes that are observable in the market. The fair value of the Company’s $150 million unsecured note, classified as Level 2 in the fair value hierarchy described in Note 3, is based on the unadjusted quoted price for similar notes in active markets. See Note 3 for methods and assumptions used in estimating fair values of the total return swaps, interest rate swaps, and equity contracts. Due to their short-term maturity, the carrying values of receivables and accounts payable approximate their fair market values.
Deferred Policy Acquisition Costs | Deferred policy acquisition costs consist of commissions paid to outside agents, premium taxes, salaries, and certain other underwriting costs that are incremental or directly related to the successful acquisition of new and renewal insurance contracts and are amortized over the life of the related policy in proportion to premiums earned. Deferred policy acquisition costs are limited to the amount that will remain after deducting from unearned premiums and anticipated investment income, the estimated losses and loss adjustment expenses, and the servicing costs that will be incurred as premiums are earned. The Company’s deferred policy acquisition costs are further limited by excluding those costs not directly related to the successful acquisition of insurance contracts.
Fixed Assets | Fixed assets are stated at historical cost less accumulated depreciation and amortization. The useful life for buildings is 30 to 40 years. Furniture, equipment, and purchased software are depreciated on a combination of straight-line and accelerated methods over 3 to 7 years. The Company has capitalized certain consulting costs, payroll, and payroll-related costs for employees related to computer software developed for internal use, which are amortized on a straight-line method over the estimated useful life of the software, generally not exceeding 7 years . In accordance with applicable accounting standards, capitalization ceases no later than the point at which a computer software project is substantially complete and ready for its intended use. Leasehold improvements are amortized over the shorter of the useful life of the assets or the life of the associated lease. The Company periodically assesses long-lived assets or asset groups including building and equipment, for recoverability when events or changes in circumstances indicate that their carrying amount may not be recoverable. If the Company identifies an indicator of impairment, the Company assesses recoverability by comparing the carrying amount of the asset to the sum of the undiscounted cash flows expected to result from the use and the eventual disposal of the asset. An impairment loss is recognized when the carrying amount is not recoverable and is measured as the excess of carrying value over fair value.
Goodwill And Other Intangible Assets | Goodwill and other intangible assets arise as a result of business acquisitions and consist of the excess of the cost of the acquisitions over the tangible and intangible assets acquired and liabilities assumed and identifiable intangible assets acquired. Identifiable intangible assets consist of the value of customer relationships, trade names, software and technology, and favorable leases, which are all subject to amortization. The Company evaluates goodwill for impairment annually or whenever events or changes in circumstances indicate that it is more likely than not that the carrying amount of goodwill may exceed its implied fair value. The Company qualitatively determines whether, more likely than not, the fair value exceeds the carrying amount of a reporting unit. There are numerous assumptions and estimates underlying the qualitative assessments including future earnings, long-term strategies, and the Company’s annual planning and forecasting process. If these planned initiatives do not accomplish the targeted objectives, the assumptions and estimates underlying the qualitative assessments could be adversely affected and have a material effect upon the Company’s financial condition and results of operations.
Premium Revenue Recognition | Premium revenue is recognized on a pro-rata basis over the term of the policies in proportion to the amount of insurance protection provided. Premium revenue includes installment and other fees for services which are recognized in the periods in which the services are rendered. Unearned premiums represent the portion of the premium related to the unexpired policy term. Unearned premiums are predominantly computed monthly on a pro-rata basis and are stated gross of reinsurance deductions, with the reinsurance deduction recorded in other receivables.
Losses And Loss Adjustment Expenses | Unpaid losses and loss adjustment expenses are determined in amounts estimated to cover incurred losses and loss adjustment expenses and established based upon the Company’s assessment of claims pending and the development of prior years’ loss liabilities. These amounts include liabilities based upon individual case estimates for reported losses and loss adjustment expenses and estimates of such amounts that are incurred but not reported. Changes in the estimated liability are charged or credited to operations as the losses and loss adjustment expenses are reestimated. The liability is stated net of anticipated salvage and subrogation recoveries. The amount of reinsurance recoverable is included in other receivables. Estimating loss reserves is a difficult process as many factors can ultimately affect the final settlement of a claim and, therefore, the reserve that is required. Changes in the regulatory and legal environment, results of litigation, medical costs, the cost of repair materials, and labor rates, among other factors, can impact ultimate claim costs. In addition, time can be a critical part of reserving determinations since the longer the span between the incidence of a loss and the payment or settlement of a claim, the more variable the ultimate settlement amount could be. Accordingly, short-tail claims, such as property damage claims, tend to be more reasonably predictable than long-tail liability claims, such as those involving the Company’s bodily injury (BI) coverages. Management believes that the liability for losses and loss adjustment expenses is adequate to cover the ultimate net cost of losses and loss adjustment expenses incurred to date. Since the provisions for loss reserves are necessarily based upon estimates, the ultimate liability may be more or less than such provisions. The Company analyzes loss reserves quarterly primarily using the incurred loss, claim count development, and average severity methods described below. The Company also uses the paid loss development method to analyze loss adjustment expense reserves as part of its reserve analysis. When deciding among methods to use, the Company evaluates the credibility of each method based on the maturity of the data available and the claims settlement practices for each particular line of business or coverage within a line of business. When establishing the reserve, the Company will generally analyze the results from all of the methods used rather than relying on a single method. While these methods are designed to determine the ultimate losses on claims under the Company’s policies, there is inherent uncertainty in all actuarial models since they use historical data to project outcomes. The Company believes that the techniques it uses provide a reasonable basis in estimating loss reserves.
• | The incurred loss development method analyzes historical incurred case loss (case reserves plus paid losses) development to estimate ultimate losses. The Company applies development factors against current case incurred losses by accident period to calculate ultimate expected losses. The Company believes that the incurred loss development method provides a reasonable basis for evaluating ultimate losses, particularly in the Company’s larger, more established lines of business which have a long operating history.
• | The average severity method analyzes historical loss payments and/or incurred losses divided by closed claims and/or total claims to calculate an estimated average cost per claim. From this, the expected ultimate average cost per claim can be estimated. The average severity method coupled with the claim count development method provide meaningful information regarding inflation and frequency trends that the Company believes is useful in establishing reserves. The claim count development method analyzes historical claim count development to estimate future incurred claim count development for current claims. The Company applies these development factors against current claim counts by accident period to calculate ultimate expected claim counts.
• | The paid loss development method analyzes historical payment patterns to estimate the amount of losses yet to be paid. The Company uses this method for losses and loss adjustment expenses.
The Company analyzes catastrophe losses separately from non-catastrophe losses. For catastrophe losses, the Company determines claim counts based on claims reported and development expectations from previous catastrophes and applies an average expected loss per claim based on reserves established by adjusters and average losses on previous similar catastrophes.
Derivative Financial Instruments | The Company accounts for all derivative instruments, other than those that meet the normal purchases and sales exception, as either an asset or liability, measured at fair value, which is based on information obtained from independent parties. In addition, changes in fair value are recognized in earnings unless specific hedge accounting criteria are met. The Company’s derivative instruments include a total return swaps and interest rate swaps.
Earnings per Share | Basic earnings per share excludes dilution and reflects net income divided by the weighted average shares of common stock outstanding during the period presented. Diluted earnings per share is based on the weighted average shares of common stock and potential dilutive common stock outstanding during the period presented. At December 31, 2014 and 2013, potential dilutive common stocks consist of outstanding stock options.
Segment Reporting | Operating segments are components of an enterprise about which separate financial information is available that is evaluated regularly by the chief operating decision maker in deciding how to allocate resources and assessing performance. The Company does not have any operations that require separate disclosure as reportable operating segments for the periods presented.
Income Taxes | Deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between the financial reporting basis and the respective tax basis of the Company’s assets and liabilities, and expected benefits of utilizing net operating loss, capital loss, and tax-credit carryforwards. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates or laws is recognized in earnings in the period that includes the enactment date. At December 31, 2014, the Company’s deferred income taxes were in a net liability position, which included a combination of ordinary and capital deferred tax benefits. In assessing the ability to realize deferred tax assets, management considers whether it is more likely than not that some portion or all of the deferred tax assets will not be realized. The ultimate realization of deferred tax assets is dependent upon generating sufficient taxable income of the appropriate character within the carryback and carryforward periods available under the tax law. Management considers the reversal of deferred tax liabilities, projected future taxable income of an appropriate nature, and tax-planning strategies in making this assessment. The Company believes that through the use of prudent tax planning strategies and the generation of capital gains, sufficient income will be realized in order to maximize the full benefits of its deferred tax assets. Although realization is not assured, management believes that it is more likely than not that the Company’s deferred tax assets will be realized.
Reinsurance | Liabilities for unearned premiums and unpaid losses are stated in the accompanying consolidated financial statements before deductions for ceded reinsurance. The ceded amounts are immaterial and are carried in other receivables. Earned premiums are stated net of deductions for ceded reinsurance. The Insurance Companies, as primary insurers, are required to pay losses to the extent reinsurers are unable to discharge their obligations under the reinsurance agreements.
Share-Based Compensation | Share-based compensation expense for all share-based payment awards granted or modified is based on the estimated grant-date fair value. The Company recognizes these compensation costs on a straight-line basis over the requisite service period of the award, which is the option vesting term of four or five years for options granted prior to 2008 and four years for options granted subsequent to January 1, 2008, for only those shares expected to vest. The fair value of stock option awards is estimated using the Black-Scholes option pricing model with the grant-date assumptions and weighted-average fair values. The fair value of each restricted share grant was determined based on the market price on the grant date. Compensation cost is recognized based on management’s best estimate that performance goals will be achieved. If such goals are not met, no compensation cost is recognized and any recognized compensation cost would be reversed.

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- Definition Disclosure of reinsurance accounting policy, for example, but not limited to, description of the methodologies and assumptions underlying determination of reinsurance recoverables, reinsurance payables and retention policy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -URI http://asc.fasb.org/topic&trid=2303980 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.13(c)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 13 -Subparagraph c -Article 7 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6480758&loc=d3e6811-158387 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6480758&loc=d3e6816-158387 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6588590&loc=d3e27830-158548 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 55 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6588590&loc=d3e27758-158548 + Details
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- Definition Disclosure of accounting policy for determining revenue and timing of recognition as revenue of premiums received from policyholders, insureds and other insurance entities (the effects of ceding and assuming insurance policy risks) for the entity's insurance products. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6486390&loc=d3e25718-158539 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486390&loc=d3e25715-158539 + Details
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- Definition Disclosure of accounting policy for segment reporting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 + Details
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- Definition Disclosure of accounting policy for stock option and stock incentive plans. This disclosure may include (1) the types of stock option or incentive plans sponsored by the entity (2) the groups that participate in (or are covered by) each plan (3) significant plan provisions and (4) how stock compensation is measured, and the methodologies and significant assumptions used to determine that measurement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b),(f) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2228939 + Details
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- Definition Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6143-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6132-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6061-108592 + Details
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